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Carrier TDP 612 HVAC Fans Features and Analysis

Carrier TDP 612 HVAC Fans Features and Analysis

Technical Development Programs (Carrier TDP 612 HVAC Fans Features and Analysis) are modules of technical training on HVAC theory, system design, equipment selection and application topics. They are targeting engineers and designers who wish to develop their knowledge in this field to effectively design, specify, sell or apply HVAC equipment in commercial applications.

The heart of any air-handling system is the fan. Fans may consume more energy in a typical HVAC system than the compressors! It is extremely important that the correct type of fan be chosen for the application. This TDP module will describe fan characteristics and performance in order to provide designers with the knowledge to select and apply the proper fan for various HVAC situations.

You can also read Carrier TDP 611 COMMERCIAL HVAC AIR-HANDLING EQUIPMENT Central Station -Air Handlers

Carrier TDP 612 content

  • IntroductionCarrier TDP 612 HVAC Fans Features and Analysis
  • Fan Types
  • Centrifugal Fans
  • Axial (In-line) Fans
  • AMCA Fan Classes
  • Performance Ratings and Static Efficiency
  • Fan Laws
  • System Curve, Fan Stability, System Effect
  • Miscellaneous Fan Topics
  • Summary
  • Work Session
  • Appendix
  • Fan Law Equations
  • Centrifugal Fans: Impeller Comparisons 36
  • Axial Fans: Impeller Comparisons
  • Work Session Answers


In the HVAC industry, the fan is one of the most important components in the heating and cooling system. It is also one of the easiest components to misapply because of all the types and arrangements available. Fans are important because they can consume more energy than the air conditioning compressors in a building.

The fan itself consists of a rotating impeller and a fan scroll housing to collect and direct the airflow in the direction desired. A fan operates on the same basic principle as a centrifugal pump, converting rotational mechanical energy into fluid or air energy. The energy created by the fan is determined by the total pressure increase (velocity pressure + static pressure) of the air passing through the fan.


Carrier TDP 612 HVAC Fans Features and Analysis

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